color-tools 1.2.0
color-tools is a Ruby library to provide RGB, CMYK, and other colour support to applications that require it. It provides 148 named RGB colours that are commonly supported and used in HTML, colour manipulation operations, and a monochromatic contrasting palette generator. Version 1.2 introduces two new colour spaces: GrayScale (also known as GreyScale) and YIQ (NTSC).